21448672

素因数分解:

$2^5\times 7^2\times {\mathrm{13679}}^1$

素因数の和:13703

約数の個数: 36

約数和(自身を含む): 49124880

約数和(自身を除く): 27676208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13679, 27358, 54716, 95753, 109432, 191506, 218864, 383012, 437728, 670271, 766024, 1340542, 1532048, 2681084, 3064096, 5362168, 10724336, 21448672]

約数ペア:

[(1, 21448672), (2, 10724336), (4, 5362168), (7, 3064096), (8, 2681084), (14, 1532048), (16, 1340542), (28, 766024), (32, 670271), (49, 437728), (56, 383012), (98, 218864), (112, 191506), (196, 109432), (224, 95753), (392, 54716), (784, 27358), (1568, 13679)]